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40 Digital Telephone IP Adapter Installation and Administration Guide
Digital Telephone IP Adapter description Standard 2.1
Call scenario 2: host-controlled—corporate external call
The following diagram shows how a call is routed when placing a host-
controlled call to a party outside the organization using a Digital Telephone IP
Adapter unit.Calls work the same in reverse, from the host PBX site to the
Digital Telephone IP Adapter unit site.
G020IP
Host location
1
2
Host-controlled call (corporate external call)
Host
PBX
RLC
Voice over IP call
A
B
Host
stations
Ethernet
InternetCorporate
WAN
Remote site
Digital Telephone
External IP Adapter unit
Digital Telephone
Internal IP Adapter circuit card
OR
Digital telephone
Internet
Access
Device